2 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
20 #include <wayland-egl.h>
21 #include <gl/egl-implementation.h>
24 #include <dali/integration-api/debug.h>
25 #include <dali/public-api/common/dali-common.h>
26 #include <dali/public-api/common/dali-vector.h>
29 #include <ecore-wl-render-surface.h>
40 #define TEST_EGL_ERROR(lastCommand) \
42 EGLint err = eglGetError(); \
43 if (err != EGL_SUCCESS) \
45 DALI_LOG_ERROR("EGL error after %s code=%d\n", lastCommand,err); \
46 DALI_ASSERT_ALWAYS(0 && "EGL error"); \
50 EglImplementation::EglImplementation()
51 : mEglNativeDisplay(0),
58 mGlesInitialized(false),
60 mContextCurrent(false),
62 mColorDepth(COLOR_DEPTH_24)
66 EglImplementation::~EglImplementation()
71 bool EglImplementation::InitializeGles( EGLNativeDisplayType display, bool isOwnSurface )
73 if ( !mGlesInitialized )
75 mEglNativeDisplay = display;
77 //@todo see if we can just EGL_DEFAULT_DISPLAY instead
78 mEglDisplay = eglGetDisplay(mEglNativeDisplay);
80 EGLint majorVersion = 0;
81 EGLint minorVersion = 0;
82 if ( !eglInitialize( mEglDisplay, &majorVersion, &minorVersion ) )
86 eglBindAPI(EGL_OPENGL_ES_API);
88 mContextAttribs.Clear();
90 #if DALI_GLES_VERSION >= 30
92 mContextAttribs.Reserve(5);
93 mContextAttribs.PushBack( EGL_CONTEXT_MAJOR_VERSION_KHR );
94 mContextAttribs.PushBack( 3 );
95 mContextAttribs.PushBack( EGL_CONTEXT_MINOR_VERSION_KHR );
96 mContextAttribs.PushBack( 0 );
98 #else // DALI_GLES_VERSION >= 30
100 mContextAttribs.Reserve(3);
101 mContextAttribs.PushBack( EGL_CONTEXT_CLIENT_VERSION );
102 mContextAttribs.PushBack( 2 );
104 #endif // DALI_GLES_VERSION >= 30
106 mContextAttribs.PushBack( EGL_NONE );
108 mGlesInitialized = true;
109 mIsOwnSurface = isOwnSurface;
112 return mGlesInitialized;
115 bool EglImplementation::CreateContext()
117 // make sure a context isn't created twice
118 DALI_ASSERT_ALWAYS( (mEglContext == 0) && "EGL context recreated" );
120 mEglContext = eglCreateContext(mEglDisplay, mEglConfig, NULL, &(mContextAttribs[0]));
121 TEST_EGL_ERROR("eglCreateContext render thread");
123 DALI_ASSERT_ALWAYS( EGL_NO_CONTEXT != mEglContext && "EGL context not created" );
128 void EglImplementation::DestroyContext()
130 DALI_ASSERT_ALWAYS( mEglContext && "no EGL context" );
132 eglDestroyContext( mEglDisplay, mEglContext );
136 void EglImplementation::DestroySurface()
138 if(mIsOwnSurface && mEglSurface)
140 eglDestroySurface( mEglDisplay, mEglSurface );
145 void EglImplementation::MakeContextCurrent()
147 mContextCurrent = true;
151 eglMakeCurrent( mEglDisplay, mEglSurface, mEglSurface, mEglContext );
154 EGLint error = eglGetError();
156 if ( error != EGL_SUCCESS )
160 case EGL_BAD_DISPLAY:
162 DALI_LOG_ERROR("EGL_BAD_DISPLAY : Display is not an EGL display connection");
165 case EGL_NOT_INITIALIZED:
167 DALI_LOG_ERROR("EGL_NOT_INITIALIZED : Display has not been initialized");
170 case EGL_BAD_SURFACE:
172 DALI_LOG_ERROR("EGL_BAD_SURFACE : Draw or read is not an EGL surface");
175 case EGL_BAD_CONTEXT:
177 DALI_LOG_ERROR("EGL_BAD_CONTEXT : Context is not an EGL rendering context");
182 DALI_LOG_ERROR("EGL_BAD_MATCH : Draw or read are not compatible with context, or if context is set to EGL_NO_CONTEXT and draw or read are not set to EGL_NO_SURFACE, or if draw or read are set to EGL_NO_SURFACE and context is not set to EGL_NO_CONTEXT");
187 DALI_LOG_ERROR("EGL_BAD_ACCESS : Context is current to some other thread");
190 case EGL_BAD_NATIVE_PIXMAP:
192 DALI_LOG_ERROR("EGL_BAD_NATIVE_PIXMAP : A native pixmap underlying either draw or read is no longer valid.");
195 case EGL_BAD_NATIVE_WINDOW:
197 DALI_LOG_ERROR("EGL_BAD_NATIVE_WINDOW : A native window underlying either draw or read is no longer valid.");
200 case EGL_BAD_CURRENT_SURFACE:
202 DALI_LOG_ERROR("EGL_BAD_CURRENT_SURFACE : The previous context has unflushed commands and the previous surface is no longer valid.");
207 DALI_LOG_ERROR("EGL_BAD_ALLOC : Allocation of ancillary buffers for draw or read were delayed until eglMakeCurrent is called, and there are not enough resources to allocate them");
210 case EGL_CONTEXT_LOST:
212 DALI_LOG_ERROR("EGL_CONTEXT_LOST : If a power management event has occurred. The application must destroy all contexts and reinitialise OpenGL ES state and objects to continue rendering");
217 DALI_LOG_ERROR("Unknown error");
221 DALI_ASSERT_ALWAYS(false && "MakeContextCurrent failed!");
224 // We want to display this information all the time, so use the LogMessage directly
225 Integration::Log::LogMessage(Integration::Log::DebugInfo, "EGL Information\n"
230 eglQueryString(mEglDisplay, EGL_VENDOR),
231 eglQueryString(mEglDisplay, EGL_VERSION),
232 eglQueryString(mEglDisplay, EGL_CLIENT_APIS),
233 eglQueryString(mEglDisplay, EGL_EXTENSIONS));
236 void EglImplementation::MakeContextNull()
238 mContextCurrent = false;
239 // clear the current context
240 eglMakeCurrent( mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
243 void EglImplementation::TerminateGles()
245 if ( mGlesInitialized )
247 // in latest Mali DDK (r2p3 ~ r3p0 in April, 2012),
248 // MakeContextNull should be called before eglDestroy surface
249 // to prevent crash in _mali_surface_destroy_callback
252 if(mIsOwnSurface && mEglSurface)
254 eglDestroySurface(mEglDisplay, mEglSurface);
256 eglDestroyContext(mEglDisplay, mEglContext);
258 eglTerminate(mEglDisplay);
265 mGlesInitialized = false;
269 bool EglImplementation::IsGlesInitialized() const
271 return mGlesInitialized;
274 void EglImplementation::SwapBuffers()
276 eglSwapBuffers( mEglDisplay, mEglSurface );
279 void EglImplementation::CopyBuffers()
281 eglCopyBuffers( mEglDisplay, mEglSurface, mEglNativePixmap );
284 void EglImplementation::WaitGL()
289 void EglImplementation::ChooseConfig( bool isWindowType, ColorDepth depth )
291 if(mEglConfig && isWindowType == mIsWindow && mColorDepth == depth)
296 mIsWindow = isWindowType;
299 Vector<EGLint> configAttribs;
300 configAttribs.Reserve(31);
304 configAttribs.PushBack( EGL_SURFACE_TYPE );
305 configAttribs.PushBack( EGL_WINDOW_BIT );
309 configAttribs.PushBack( EGL_SURFACE_TYPE );
310 configAttribs.PushBack( EGL_PIXMAP_BIT );
313 configAttribs.PushBack( EGL_RENDERABLE_TYPE );
315 #if DALI_GLES_VERSION >= 30
318 configAttribs.PushBack( EGL_OPENGL_ES3_BIT_KHR );
320 // There is a bug in the desktop emulator
321 // Requesting for ES3 causes eglCreateContext even though it allows to ask
322 // for a configuration that supports GLES 3.0
323 configAttribs.PushBack( EGL_OPENGL_ES2_BIT );
326 #else // DALI_GLES_VERSION >= 30
328 configAttribs.PushBack( EGL_OPENGL_ES2_BIT );
330 #endif //DALI_GLES_VERSION >= 30
332 #if DALI_GLES_VERSION >= 30
333 // TODO: enable this flag when it becomes supported
334 // configAttribs.PushBack( EGL_CONTEXT_FLAGS_KHR );
335 // configAttribs.PushBack( EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR );
336 #endif //DALI_GLES_VERSION >= 30
338 configAttribs.PushBack( EGL_RED_SIZE );
339 configAttribs.PushBack( 8 );
340 configAttribs.PushBack( EGL_GREEN_SIZE );
341 configAttribs.PushBack( 8 );
342 configAttribs.PushBack( EGL_BLUE_SIZE );
343 configAttribs.PushBack( 8 );
345 configAttribs.PushBack( EGL_ALPHA_SIZE );
347 configAttribs.PushBack( (depth == COLOR_DEPTH_32) ? 8 : 0 );
349 // There is a bug in the desktop emulator
350 // setting EGL_ALPHA_SIZE to 8 results in eglChooseConfig failing
351 configAttribs.PushBack( 0 );
354 configAttribs.PushBack( EGL_DEPTH_SIZE );
355 configAttribs.PushBack( 24 );
356 configAttribs.PushBack( EGL_STENCIL_SIZE );
357 configAttribs.PushBack( 8 );
358 configAttribs.PushBack( EGL_SAMPLES );
359 configAttribs.PushBack( 4 );
360 configAttribs.PushBack( EGL_SAMPLE_BUFFERS );
361 configAttribs.PushBack( 1 );
362 configAttribs.PushBack( EGL_NONE );
364 if ( eglChooseConfig( mEglDisplay, &(configAttribs[0]), &mEglConfig, 1, &numConfigs ) != EGL_TRUE )
366 EGLint error = eglGetError();
369 case EGL_BAD_DISPLAY:
371 DALI_LOG_ERROR("Display is not an EGL display connection\n");
374 case EGL_BAD_ATTRIBUTE:
376 DALI_LOG_ERROR("The parameter configAttribs contains an invalid frame buffer configuration attribute or an attribute value that is unrecognized or out of range\n");
379 case EGL_NOT_INITIALIZED:
381 DALI_LOG_ERROR("Display has not been initialized\n");
384 case EGL_BAD_PARAMETER:
386 DALI_LOG_ERROR("The parameter numConfig is NULL\n");
391 DALI_LOG_ERROR("Unknown error.\n");
394 DALI_ASSERT_ALWAYS(false && "eglChooseConfig failed!");
397 if ( numConfigs != 1 )
399 DALI_LOG_ERROR("No configurations found.\n");
401 TEST_EGL_ERROR("eglChooseConfig");
405 void EglImplementation::CreateSurfaceWindow( EGLNativeWindowType window, ColorDepth depth )
407 DALI_ASSERT_ALWAYS( ( mEglSurface == 0 ) && "EGL surface already exists" );
409 mEglNativeWindow = window;
414 ChooseConfig(mIsWindow, mColorDepth);
416 mEglSurface = eglCreateWindowSurface( mEglDisplay, mEglConfig, mEglNativeWindow, NULL );
417 TEST_EGL_ERROR("eglCreateWindowSurface");
419 DALI_ASSERT_ALWAYS( mEglSurface && "Create window surface failed" );
422 void EglImplementation::CreateSurfacePixmap( EGLNativePixmapType pixmap, ColorDepth depth )
424 DALI_ASSERT_ALWAYS( mEglSurface == 0 && "Cannot create more than one instance of surface pixmap" );
426 mEglNativePixmap = pixmap;
431 ChooseConfig(mIsWindow, mColorDepth);
433 mEglSurface = eglCreatePixmapSurface( mEglDisplay, mEglConfig, mEglNativePixmap, NULL );
434 TEST_EGL_ERROR("eglCreatePixmapSurface");
436 DALI_ASSERT_ALWAYS( mEglSurface && "Create pixmap surface failed" );
439 bool EglImplementation::ReplaceSurfaceWindow( EGLNativeWindowType window )
441 bool contextLost = false;
443 // display connection has not changed, then we can just create a new surface
444 // the surface is bound to the context, so set the context to null
447 // destroy the surface
450 // create the EGL surface
451 CreateSurfaceWindow( window, mColorDepth );
453 // set the context to be current with the new surface
454 MakeContextCurrent();
459 bool EglImplementation::ReplaceSurfacePixmap( EGLNativePixmapType pixmap )
461 bool contextLost = false;
463 // the surface is bound to the context, so set the context to null
466 // destroy the surface
469 // display connection has not changed, then we can just create a new surface
470 // create the EGL surface
471 CreateSurfacePixmap( pixmap, mColorDepth );
473 // set the context to be current with the new surface
474 MakeContextCurrent();
479 EGLDisplay EglImplementation::GetDisplay() const
484 EGLDisplay EglImplementation::GetContext() const
489 } // namespace Adaptor
491 } // namespace Internal